Snack food



FIG. 1 is a perspective view of a snack food, embodying our new design;

FIG. 2 is a a top planar view thereof;

FIG. 3 is a left side elevational view thereof;

FIG. 4 is a front side elevational view thereof;

FIG. 5 is a right side elevational view thereof; and,

FIG. 6 is a bottom planar view thereof.

The broken lines shown are for illustrative purposes only and form no part of the claimed design. 

The ornamental design for a snack food, as shown and described. 